气井压井循环时,当压井钻井液注满钻具内时,()不变。 A.钻柱内静液压力 B.立管压

题型:单项选择题

问题:

气井压井循环时,当压井钻井液注满钻具内时,()不变。

A.钻柱内静液压力

B.立管压力

C.环空静液压力

D.井底压力

考点:井控知识考试井控理论知识井控理论知识题库
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电视机的最亮状态比最暗状态多耗电50~60%;音量开得越大,耗电量也越大.所以看电视时,亮度和音量应调在人感觉最佳的状态,不要过亮,音量也不要太大.这样不仅能节电,而且有助于延长电视机的使用寿命.有些电视机只要插上电源插头,显像管就预热,耗电量为6~8W.如果每天待机18h,耗电功率按8 W计算,一天将耗电______度.若能及时断开用电器电源,每月可以节约电费______元(民用电价为0.45元/度,每月按30天计算).

题型:单项选择题

社会工作者在与服务对象维持对话过程中,可以运用的技巧有()。

A.体谅

B.聆听

C.社会指引

D.澄清

E.心理辅导

题型:单项选择题

下列不是养殖海带时常用的施肥方法的是()。

A、挂袋施肥

B、泼肥

C、浸肥

D、埋肥

题型:单项选择题

I was a single parent of four small children, working at a low paid job. Money was always tight, but we had a (1) over our heads, food on the table, clothes on our backs, and if not a lot, always (2) . Not knowing we were poor, my kids just thought I was (3) . I’ve always been glad about that.

It was Christmas time, and although there wasn’t (4) for a lot of gifts, we planned to celebrate with a family party. But the big (5) for the kids was the fun of Christmas (6) .

They planned weeks ahead of time, asking (7) what they wanted for Christmas. Fortunately, I had saved MYM120 for (8) to share by all five of us.

The big (9) arrived. I gave each kid a twenty-dollar bill and (10) them to look for gifts of about four dollars each. Then everyone scattered. We had two hours to shop; then we would (11) back at the "Santa’s Workshop".

Driving home, everyone was in high Christmas spirits, (12) my younger daughter, Ginger, who was unusually (13) . She had only one small, flat bag with a few candies—fiftycent candies! I was so angry, but I didn’t say anything (14) we got home. I called her into my bedroom and closed the door, (15) to be angry again. This is what she told me.

"I was looking (16) thinking of what to buy, and I (17) to read the little cards on the ’Giving Trees’. One was for a little girl, four years old, and all she (18) for Christmas was a doll. So I took the card off the tree and (19) the doll for her. We have so much and she doesn’t have anything. "

I never felt so (20) as I did that day.

17()

A.forgot 

B.stopped 

C.failed 

D.hated

题型:单项选择题

下面变量var的作用域范围是()。

A、1和15行之间

B、5和7行之间

C、3和7行之间

D、5和13行之间

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